#!/usr/bin/env python
# -*- coding: utf-8 -*-

import glob, re
import os.path
import sys
from StringIO import StringIO
from ConfigParser import RawConfigParser
from picard import __version__

from picard.const import UI_LANGUAGES


if sys.version_info < (2, 5):
    print "*** You need Python 2.5 or higher to use Picard."


args = {}


try:
    from py2app.build_app import py2app
    do_py2app = True
    args['app'] = ['tagger.py']
    args['name'] = 'Picard'
    args['options'] = { 'py2app' : 
       {
          'optimize'       : 2,
          'argv_emulation' : True,
          'iconfile'       : 'picard.icns',
          'frameworks'     : ['libofa.0.dylib', 'libiconv.2.dylib', 'libdiscid.0.dylib'],
          'includes'       : ['sip', 'PyQt4.Qt', 'picard.util.astrcmp', 'picard.musicdns.ofa', 'picard.musicdns.avcodec'],
          'excludes'       : ['pydoc'],
          'plist'    : { 'CFBundleName' : 'MusicBrainz Picard',
                         'CFBundleGetInfoString' : 'Picard, the next generation MusicBrainz tagger (see http://musicbrainz.org/doc/MusicBrainz_Picard)',
                         'CFBundleIdentifier':'org.musicbrainz.picard',
                         'CFBundleShortVersionString':__version__,
                         'CFBundleVersion': 'Picard ' + __version__,
                         'LSMinimumSystemVersion':'10.4.3',
                         'LSMultipleInstancesProhibited':'true',
                         # RAK: It biffed when I tried to include your accented characters, luks. :-(
                         'NSHumanReadableCopyright':'Copyright 2008 Lukas Lalinsky, Robert Kaye',
                        },
       },
    }

except ImportError:
    do_py2app = False

# this must be imported *after* py2app, because py2app imports setuptools
# which "patches" (read: screws up) the Extension class
from distutils import log
from distutils.command.build import build
from distutils.command.config import config
from distutils.command.install import install as install
from distutils.core import setup, Command, Extension
from distutils.dep_util import newer
from distutils.dist import Distribution



defaults = {
    'build': {
        'with-directshow': 'False',
        'with-avcodec': 'False',
        'with-libofa': 'False',
    },
    'avcodec': {'cflags': '', 'libs': ''},
    'directshow': {'cflags': '', 'libs': ''},
    'libofa': {'cflags': '', 'libs': ''},
}
cfg = RawConfigParser()
for section, values in defaults.items():
    cfg.add_section(section)
    for option, value in values.items():
        cfg.set(section, option, value)
cfg.read(['build.cfg'])


ext_modules = [
    Extension('picard.util.astrcmp', sources=['picard/util/astrcmp.cpp']),
]

if cfg.getboolean('build', 'with-libofa'):
    ext_modules.append(
        Extension('picard.musicdns.ofa', sources=['picard/musicdns/ofa.c'],
                  extra_compile_args=cfg.get('libofa', 'cflags').split(),
                  extra_link_args=cfg.get('libofa', 'libs').split()))

if cfg.getboolean('build', 'with-directshow'):
    ext_modules.append(
        Extension('picard.musicdns.directshow',
                  sources=['picard/musicdns/directshow.cpp'],
                  extra_compile_args=cfg.get('directshow', 'cflags').split(),
                  extra_link_args=cfg.get('directshow', 'libs').split()))

if cfg.getboolean('build', 'with-avcodec'):
    ext_modules.append(
        Extension('picard.musicdns.avcodec',
                  sources=['picard/musicdns/avcodec.c'],
                  extra_compile_args=cfg.get('avcodec', 'cflags').split(),
                  extra_link_args=cfg.get('avcodec', 'libs').split()))


class picard_test(Command):
    description = "run automated tests"
    user_options = [
        ("tests=", None, "list of tests to run (default all)"),
        ("verbosity=", "v", "verbosity"),
        ]

    def initialize_options(self):
        self.tests = []
        self.verbosity = 1

    def finalize_options(self):
        if self.tests:
            self.tests = self.tests.split(",")
        if self.verbosity:
            self.verbosity = int(self.verbosity)

    def run(self):
        import os.path
        import glob
        import unittest

        names = []
        for filename in glob.glob("test/test_*.py"):
            name = os.path.splitext(os.path.basename(filename))[0]
            if not self.tests or name in self.tests:
                names.append("test." + name)

        tests = unittest.defaultTestLoader.loadTestsFromNames(names)
        t = unittest.TextTestRunner(verbosity=self.verbosity)
        t.run(tests)


class picard_build_locales(Command):
    description = 'build locale files'
    user_options = [
        ('build-dir=', 'd', "directory to build to"),
        ('inplace', 'i', "ignore build-lib and put compiled locales into the 'locale' directory"),
    ]

    def initialize_options(self):
        self.build_dir = None
        self.inplace = 0

    def finalize_options (self):
        self.set_undefined_options('build', ('build_locales', 'build_dir'))
        self.locales = self.distribution.locales

    def run(self):
        for domain, locale, po in self.locales:
            if self.inplace:
                path = os.path.join('locale', locale, 'LC_MESSAGES')
            else:
                path = os.path.join(self.build_dir, locale, 'LC_MESSAGES')
            mo = os.path.join(path, '%s.mo' % domain)
            self.mkpath(path)
            self.spawn(['msgfmt', '-o', mo, po])

Distribution.locales = None


class picard_install_locales(Command):
    description = "install locale files"
    user_options = [
        ('install-dir=', 'd', "directory to install locale files to"),
        ('build-dir=','b', "build directory (where to install from)"),
        ('force', 'f', "force installation (overwrite existing files)"),
        ('skip-build', None, "skip the build steps"),
    ]
    boolean_options = ['force', 'skip-build']

    def initialize_options(self):
        self.install_dir = None
        self.build_dir = None
        self.force = 0
        self.skip_build = None
        self.outfiles = []

    def finalize_options(self):
        self.set_undefined_options('build', ('build_locales', 'build_dir'))
        self.set_undefined_options('install',
                                   ('install_locales', 'install_dir'),
                                   ('force', 'force'),
                                   ('skip_build', 'skip_build'),
                                  )

    def run(self):
        if not self.skip_build:
            self.run_command('build_locales')
        self.outfiles = self.copy_tree(self.build_dir, self.install_dir)

    def get_inputs(self):
        return self.locales or []

    def get_outputs(self):
        return self.outfiles


class picard_install(install):

    user_options = install.user_options + [
        ('install-locales=', None,
         "installation directory for locales"),
        ('localedir=', None, ''),
        ('disable-autoupdate', None, ''),
        ('disable-locales', None, ''),
    ]

    sub_commands = install.sub_commands

    def initialize_options(self):
        install.initialize_options(self)
        self.install_locales = None
        self.localedir = None
        self.disable_autoupdate = None
        self.disable_locales = None

    def finalize_options(self):
        install.finalize_options(self)
        if self.install_locales is None:
            self.install_locales = '$base/share/locale'
            self._expand_attrs(['install_locales'])
        self.install_locales = os.path.normpath(self.install_locales)
        self.localedir = self.install_locales
        # can't use set_undefined_options :/
        self.distribution.get_command_obj('build').localedir = self.localedir
        self.distribution.get_command_obj('build').disable_autoupdate = self.disable_autoupdate
        if self.root is not None:
            self.change_roots('locales')
        if self.disable_locales is None:
            self.sub_commands.append(('install_locales', None))

    def run(self):
        install.run(self)


class picard_build(build):

    user_options = build.user_options + [
        ('build-locales=', 'd', "build directory for locale files"),
        ('localedir=', None, ''),
        ('disable-autoupdate', None, ''),
        ('disable-locales', None, ''),
    ]

    sub_commands = build.sub_commands

    def initialize_options(self):
        build.initialize_options(self)
        self.build_locales = None
        self.localedir = None
        self.disable_autoupdate = None
        self.disable_locales = None

    def finalize_options(self):
        build.finalize_options(self)
        if self.build_locales is None:
            self.build_locales = os.path.join(self.build_base, 'locale')
        if self.localedir is None:
            self.localedir = '/usr/share/locale'
        if self.disable_autoupdate is None:
            self.disable_autoupdate = False
        if self.disable_locales is None:
            self.sub_commands.append(('build_locales', None))

    def run(self):
        if 'bdist_nsis' not in sys.argv: # somebody shoot me please
            log.info('generating scripts/picard from scripts/picard.in')
            generate_file('scripts/picard.in', 'scripts/picard', {'localedir': self.localedir, 'autoupdate': not self.disable_autoupdate})
        build.run(self)


class picard_build_ui(Command):
    description = "build Qt UI files and resources"
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        from PyQt4 import uic
        _translate_re = re.compile(
            r'QtGui\.QApplication.translate\(.*?, (.*?), None, '
            r'QtGui\.QApplication\.UnicodeUTF8\)')
        for uifile in glob.glob("ui/*.ui"):
            pyfile = "ui_%s.py" % os.path.splitext(os.path.basename(uifile))[0]
            pyfile = os.path.join("picard", "ui", pyfile)
            if newer(uifile, pyfile):
                log.info("compiling %s -> %s", uifile, pyfile)
                tmp = StringIO()
                uic.compileUi(uifile, tmp)
                source = _translate_re.sub(r'_(\1)', tmp.getvalue())
                f = open(pyfile, "w")
                f.write(source)
                f.close()
        qrcfile = os.path.join("resources", "picard.qrc")
        pyfile = os.path.join("picard", "resources.py")
        build_resources = False
        if newer("resources/picard.qrc", pyfile):
            build_resources = True
        for datafile in glob.glob("resources/images/*.*"):
            if newer(datafile, pyfile):
                build_resources = True
                break
        if build_resources:
            log.info("compiling %s -> %s", qrcfile, pyfile)
            os.system("pyrcc4 %s -o %s" % (qrcfile, pyfile))


class picard_clean_ui(Command):
    description = "clean up compiled Qt UI files and resources"
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        from PyQt4 import uic
        for uifile in glob.glob("ui/*.ui"):
            pyfile = "ui_%s.py" % os.path.splitext(os.path.basename(uifile))[0]
            pyfile = os.path.join("picard", "ui", pyfile)
            try:
                os.unlink(pyfile)
                log.info("removing %s", pyfile)
            except OSError:
                log.warn("'%s' does not exist -- can't clean it", pyfile)
        pyfile = os.path.join("picard", "resources.py")
        try:
            os.unlink(pyfile)
            log.info("removing %s", pyfile)
        except OSError:
            log.warn("'%s' does not exist -- can't clean it", pyfile)


def cflags_to_include_dirs(cflags):
    cflags = cflags.split()
    include_dirs = []
    for cflag in cflags:
        if cflag.startswith('-I'):
            include_dirs.append(cflag[2:])
    return include_dirs


class picard_config(config):

    def run(self):
        print 'checking for pkg-cfg...',
        have_pkgconfig = False
        if os.system('pkg-config --version >%s 2>%s' % (os.path.devnull, os.path.devnull)) == 0:
            print 'yes'
            have_pkgconfig = True
        else:
            print 'no'

        print 'checking for libofa...',
        if have_pkgconfig:
            self.pkgconfig_check_module('libofa', 'libofa')
        else:
            self.check_lib('libofa', 'ofa_create_print', ['ofa1/ofa.h'], [['ofa'], ['libofa']])

        print 'checking for libavcodec/libavformat...',
        if have_pkgconfig:
            if self.pkgconfig_check_module('avcodec', 'libavcodec libavformat'):
                include_dirs = cflags_to_include_dirs(cfg.get('avcodec', 'cflags'))
                if self.try_compile('#include <avcodec.h>', include_dirs=include_dirs):
                    cfg.set('avcodec', 'cflags', cfg.get('avcodec', 'cflags') + ' -DUSE_OLD_FFMPEG_LOCATIONS')
        else:
            self.check_lib('avcodec', 'av_open_input_file', ['avcodec.h', 'avformat.h'], [['avcodec', 'avformat'], ['avcodec-51', 'avformat-51']])

        print 'checking for directshow...',
        if sys.platform == 'win32':
            print 'yes'
            cfg.set('build', 'with-directshow', True)
            cfg.set('directshow', 'cflags', '')
            cfg.set('directshow', 'libs', 'strmiids.lib')
        else:
            print 'no'
            cfg.set('build', 'with-directshow', False)

        print 'saving build.cfg'
        cfg.write(file('build.cfg', 'wt'))


    def pkgconfig_exists(self, module):
        if os.system('pkg-config --exists %s' % module) == 0:
            return True

    def pkgconfig_cflags(self, module):
        pkgcfg = os.popen('pkg-config --cflags %s' % module)
        ret = pkgcfg.readline().strip()
        pkgcfg.close()
        return ret

    def pkgconfig_libs(self, module):
        pkgcfg = os.popen('pkg-config --libs %s' % module)
        ret = pkgcfg.readline().strip()
        pkgcfg.close()
        return ret

    def pkgconfig_check_module(self, name, module):
        print '(pkg-config)',
        if self.pkgconfig_exists(module):
            print 'yes'
            cfg.set('build', 'with-' + name, True)
            cfg.set(name, 'cflags', self.pkgconfig_cflags(module))
            cfg.set(name, 'libs', self.pkgconfig_libs(module))
            return True
        else:
            print 'no'
            cfg.set('build', 'with-' + name, False)
            return False

    def check_lib(self, name, function, includes, libraries):
        for libs in libraries:
            res = self.try_link(
                "%s\nint main() { void *tmp = (void *)%s; return 0; }" % (
                    "\n".join('#include <%s>' % i for i in includes),
                    function),
                libraries=libs, lang='c')
            if res:
                print 'yes'
                cfg.set('build', 'with-' + name, True)
                cfg.set(name, 'cflags', '')
                if sys.platform == 'win32':
                    # FIXME: gcc format?
                    cfg.set(name, 'libs', ' '.join('%s.lib' % (l,) for l in libs))
                else:
                    cfg.set(name, 'libs', ' '.join('-l%s' % (l,) for l in libs))
                return
        print 'no'
        cfg.set('build', 'with-' + name, False)


args2 = {
    'name': 'picard',
    'version': __version__,
    'description': 'The next generation MusicBrainz tagger',
    'url': 'http://musicbrainz.org/doc/MusicBrainz_Picard',
    'package_dir': {'picard': 'picard'},
    'packages': ('picard', 'picard.browser', 'picard.musicdns',
                 'picard.plugins', 'picard.formats',
                 'picard.formats.mutagenext', 'picard.ui',
                 'picard.ui.options', 'picard.util'),
    'locales': [('picard', lang[0], os.path.join('po', lang[0]+".po")) for lang in UI_LANGUAGES],
    'ext_modules': ext_modules,
    'data_files': [],
    'cmdclass': {
        'test': picard_test,
        'build': picard_build,
        'build_locales': picard_build_locales,
        'build_ui': picard_build_ui,
        'clean_ui': picard_clean_ui,
        'config': picard_config,
        'install': picard_install,
        'install_locales': picard_install_locales,
    },
    'scripts': ['scripts/picard'],
}
args.update(args2)


def generate_file(infilename, outfilename, variables):
    f = file(infilename, "rt")
    content = f.read()
    f.close()
    content = content % variables
    f = file(outfilename, "wt")
    f.write(content)
    f.close() 


try:
    from py2exe.build_exe import py2exe
    class bdist_nsis(py2exe):
        def run(self):
            generate_file('scripts/picard.py2exe.in', 'scripts/picard', {})
            self.distribution.data_files.append(
                ("", ["discid.dll", "libfftw3-3.dll", "libofa.dll",
                      "python27.dll", "msvcr90.dll", "msvcp90.dll",
                      "avcodec-53.dll", "avformat-53.dll", "avutil-51.dll",
                      "libstdc++-6.dll"]))
            for locale in self.distribution.locales:
                self.distribution.data_files.append(
                    ("locale/" + locale[1] + "/LC_MESSAGES",
                     ["build/locale/" + locale[1] + "/LC_MESSAGES/" + locale[0] + ".mo"]))
            self.distribution.data_files.append(
                ("imageformats", [find_file_in_path("PyQt4/plugins/imageformats/qgif4.dll"),
                                  find_file_in_path("PyQt4/plugins/imageformats/qjpeg4.dll"),
                                  find_file_in_path("PyQt4/plugins/imageformats/qtiff4.dll")]))
            self.distribution.data_files.append(
                ("plugins", ["contrib/plugins/discnumber.py",
                             "contrib/plugins/classicdiscnumber.py",
                             "contrib/plugins/titlecase.py",
                             "contrib/plugins/featartist.py"]))

            py2exe.run(self)
            print "*** creating the NSIS setup script ***"
            pathname = "installer\picard-setup.nsi"
            generate_file(pathname + ".in", pathname, 
                          {'name': 'MusicBrainz Picard',
                           'version': __version__,
                           'description': 'The next generation MusicBrainz tagger.',
                           'url': 'http://musicbrainz.org/doc/MusicBrainz_Picard',})
            print "*** compiling the NSIS setup script ***"
            from ctypes import windll
            operation = 'compile'
            res = windll.shell32.ShellExecuteA(0, operation, pathname, None, None, 0)
            if res < 32:
                raise RuntimeError, 'ShellExecute failed executing "%s %s", error %d' % (
                    operation, pathname, res)

    args['cmdclass']['bdist_nsis'] = bdist_nsis
    args['windows'] = [{
        'script': 'scripts/picard',
        'icon_resources': [(1, 'picard.ico')],
    }]
    args['options'] = {
        'bdist_nsis': {
            'includes': ['sip'] + [e.name for e in ext_modules],
            'excludes': ['ssl', 'socket', 'bz2'],
            'optimize': 2,
        },
    }
except ImportError:
    py2exe = None

def find_file_in_path(filename):
    for include_path in sys.path:
        file_path = os.path.join(include_path, filename)
        if os.path.exists(file_path):
            return file_path

if do_py2app:
    class BuildAPP(py2app):
        def run(self):
            py2app.run(self)

    args['scripts'] = [ 'tagger.py' ]
    args['cmdclass'] = { 'py2app' : BuildAPP }

# FIXME: this should check for the actual command ('install' vs. 'bdist_nsis', 'py2app', ...), not installed libraries
if py2exe is None and do_py2app is False:
    args['data_files'].append(('share/icons/hicolor/16x16/apps', ['resources/images/16x16/picard.png']))
    args['data_files'].append(('share/icons/hicolor/24x24/apps', ['resources/images/24x24/picard.png']))
    args['data_files'].append(('share/icons/hicolor/32x32/apps', ['resources/images/32x32/picard.png']))
    args['data_files'].append(('share/icons/hicolor/48x48/apps', ['resources/images/48x48/picard.png']))
    args['data_files'].append(('share/icons/hicolor/128x128/apps', ['resources/images/128x128/picard.png']))
    args['data_files'].append(('share/icons/hicolor/256x256/apps', ['resources/images/256x256/picard.png']))
    args['data_files'].append(('share/applications', ('picard.desktop',)))


setup(**args)
